US2434794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damped bellows
Assignee: Fulton Sylphon Co
•
Filing: 1942-05-11
•
Granted: 1948-01-20
•
Expires: 1962-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jean V Giesler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:16
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; F16J3/048; Y; Y10; Y10S; Y10S277/00; Y10S277/916; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |